156 Views
1 Favorite
Uploaded by Mark Stansbury on
Keep the news in the Wayback Machine. Sign Fight for the Future's letter.


Benjamin F. Caldwell of Wheeling, West Virginia, was issued US Patents 329,713 and 373,335 for metal roofing tools. The company was also in Wheeling, and it manufactured metal roofing in rolls and Caldwell's tools. It was also called Caldwell-Peterson Manufacturing Co. Frank G. Caldwell also held some patents for metal roofing that were assigned to the company.
156 Views
1 Favorite
For users with print-disabilities
Uploaded by Mark Stansbury on